CN108611958A - CFST Arch Bridge external wrapping concrete arch springing structure and construction method - Google Patents
CFST Arch Bridge external wrapping concrete arch springing structure and construction method Download PDFInfo
- Publication number
- CN108611958A CN108611958A CN201810636191.9A CN201810636191A CN108611958A CN 108611958 A CN108611958 A CN 108611958A CN 201810636191 A CN201810636191 A CN 201810636191A CN 108611958 A CN108611958 A CN 108611958A
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D4/00—Arch-type bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The present invention relates to a kind of CFST Arch Bridge external wrapping concrete arch springing structures, including cushion cap, bearing, pressure-bearing bar-mat reinforcement, skewback pressure-bearing steel plate, anti-shear steel plate, band silk braid cylinder, L-shaped limiting plate, comb shape entirety fixing bolt, anticracking bar-mat reinforcement, intermediate batten plate, steel tube arch rib, arc backplate, carrying steel plate, monoblock type fixing bracket, pre-embedded steel slab, self-compacting high-strength concrete, skewback WELDING STUDS, hinged open-close type punching block and shearing nail welding locating rack；Cushion cap is connected with bearing, and cushion cap is reinforced with steel tube arch rib connecting portion setting pressure-bearing bar-mat reinforcement, skewback pressure-bearing steel plate, and bearing is reinforced with steel tube arch rib connecting portion setting anti-shear steel plate；Steel tube arch rib setting anticracking bar-mat reinforcement is reinforced, the hinged open-close type punching block of setting outside steel tube arch rib.The beneficial effects of the invention are as follows：The present invention is arranged the fixed regularization Quick Release of attachment and is hinged open-close type punching block, improves arch springing template installation speed, structure size is effectively ensured.
Description
Technical field
The present invention relates to CFST Arch Bridge external wrapping concrete arch springing structure and construction methods, belong to civil engineering neck
Domain is suitable for the construction of CFST Arch Bridge external wrapping concrete arch springing.
Background technology
In recent years, road and bridge engineering project in China's is constantly increasing, and construction scale constantly expands, to push China
The development of road and bridge cause.Material used in CFST Arch Bridge Construction is a kind of new material of composite structure, is had good
Good resistance to compression, antidetonation, shock resistance, and the span of concrete-filled steel tube construction technology is big, intensity is high, plasticity is good, endurance with
And construction is simpler, can reduce construction cost, shorten the construction period, can play the role of concrete blinding, improve road and bridge
Stability and safety.Therefore, CFST Arch Bridge Construction technology is widely used in China's road and bridge engineering.
In practice of construction, construction personnel should carry out the supervision of construction quality, construct according to the standard of detail design, reinforce construction
Management, improve the quality of CFST Arch Bridge Construction, it is ensured that the globality of entire road and bridge engineering.It is preferably served with this
Society.
During CFST Arch Bridge Construction, the fixed difficulty of arch springing template installation can be usually encountered, template is integrally steady
Qualitative difference, shearing nail welding locating effect it is poor, it is easy to crack after arch springing concrete construction safety the problems such as.In arch springing work progress
Manually put into larger, the problems such as safety is poor during economy is poor and work progress.
Invention content
The purpose of the present invention is overcoming deficiency in the prior art, a kind of CFST Arch Bridge external wrapping concrete arch is provided
Leg structure and construction method.
This CFST Arch Bridge external wrapping concrete arch springing structure, including cushion cap, bearing, pressure-bearing bar-mat reinforcement, skewback are held
Laminated steel, anti-shear steel plate, band silk braid cylinder, L-shaped limiting plate, comb shape entirety fixing bolt, anticracking bar-mat reinforcement, intermediate batten plate, steel pipe
Arch rib, arc backplate, carrying steel plate, monoblock type fixing bracket, pre-embedded steel slab, self-compacting high-strength concrete, skewback WELDING STUDS, hinge
Connect open-close type punching block and shearing nail welding locating rack；Cushion cap is connected with bearing, and pressure-bearing is arranged with steel tube arch rib connecting portion in cushion cap
Bar-mat reinforcement, skewback pressure-bearing steel plate are reinforced, and bearing is reinforced with steel tube arch rib connecting portion setting anti-shear steel plate；Tubular arch
Rib setting anticracking bar-mat reinforcement is reinforced, the hinged open-close type punching block of setting outside steel tube arch rib.
As preferred：The hinged open-close type punching block setting hinged shaft is opened and closed, and company with holes is arranged in hinged open-close type punching block
It connects end plate and is fixed by comb shape entirety fixing bolt；Pre- buried strap silk braid cylinder on bearing, band silk sleeve connection L-shaped limiting plate
Template is carried out to fix；Pre-embedded steel slab is fixed by anchor bar and cushion cap；Pre-embedded steel slab top be arranged monoblock type fixing bracket into
The hinged open-close type punching block of row is fixed；Monoblock type fixing bracket top setting carrying steel plate and arc backplate are fixed with steel tube arch rib.
As preferred：Shearing nail welding locating rack setting sizing steel plate and positioning bolt to WELDING STUDS welding position into
Row positioning.
This CFST Arch Bridge external wrapping concrete arch springing structure, includes the following steps：
Step 1: monoblock type fixing bracket is set up：Monoblock type fixing bracket is connected by pre-embedded steel slab, monoblock type fixes branch
Frame top setting carrying steel plate and arc backplate are fixed with steel tube arch rib；
Step 2: steel tube arch rib shears nail welding：Nail welding locating rack setting sizing steel plate and positioning bolt are sheared to cutting
Power nail welding position is positioned and is welded；
Step 3: arch springing reinforcing bar is bound：Arch springing position reinforcing bar is bound, while anticracking bar-mat reinforcement is set in outside；
Step 4: arch springing template is installed and is fixed：Hinged open-close type punching block is opened and closed by hinged shaft, hinged open-close type steel
Mould is fixed by connection end plate with holes, comb shape entirety fixing bolt；Pre- buried strap silk braid cylinder on bearing, band silk sleeve connection L
Shape limiting plate carries out template and fixes；Pre-embedded steel slab top setting monoblock type fixing bracket carries out hinged open-close type punching block and fixes；
Step 5: arch springing concreting and maintenance：Arch springing concrete is poured, and vibration compacting, is conserved.
The beneficial effects of the invention are as follows：
(1) the fixed regularization Quick Release of present invention setting attachment is hinged open-close type punching block, improves arch springing template installation speed
Degree, is effectively ensured structure size.
(2) hinged open-close type punching block of the invention is fixed by L-shaped limiting plate and monoblock type fixing bracket, is effectively carried
Safety in high template construction operation process.
(3) shearing nail welding locating rack of the invention setting sizing steel plate and positioning bolt carry out WELDING STUDS welding position
Positioning and welding effectively improve shearing nail welding positioning accuracy.
Description of the drawings
Fig. 1 is CFST Arch Bridge external wrapping concrete arch springing structure chart；
Fig. 2 is steel pipe concrete arch rib structure chart；
Fig. 3 is CFST Arch Bridge external wrapping concrete arch springing sectional view；
Fig. 4 is Filled Steel Tubular Arch Bridge shear structure figure；
Fig. 5 is shearing nail welding locating rack structure chart；
Reference sign：1. cushion cap；2. bearing；3. pressure-bearing bar-mat reinforcement；4. skewback pressure-bearing steel plate；5. anti-shear steel plate；6.
Band silk braid cylinder；7.L shape limiting plates；8. connection end plate with holes；9. comb shape entirety fixing bolt；10. anticracking bar-mat reinforcement；Among 11.
Batten plate；12. steel tube arch rib；13. arc backplate；14. deep floor；15. carrying steel plate；16. monoblock type fixing bracket；17. horizontal
Support；18. steel column；19. pre-embedded steel slab；20. anchor bar；21. self-compacting high-strength concrete；22. skewback WELDING STUDS；23. adding
Strong ties muscle；24. hinged open-close type punching block；25. main reinforcement；26. hinged shaft；27. steel plate of shaping；28. shearing nail welding locating rack；
29. positioning bolt.
Specific implementation mode
The present invention is described further with reference to embodiment.The explanation of following embodiments is merely used to help understand this
Invention.It should be pointed out that for those skilled in the art, without departing from the principle of the present invention, also
Can be with several improvements and modifications are made to the present invention, these improvement and modification also fall into the protection domain of the claims in the present invention
It is interior.
As shown in Figures 1 to 5, the CFST Arch Bridge external wrapping concrete arch springing structure includes：Cushion cap 1, bearing
2, pressure-bearing bar-mat reinforcement 3, skewback pressure-bearing steel plate 4, anti-shear steel plate 5, band silk braid cylinder 6, L-shaped limiting plate 7, comb shape entirety fixing bolt 9,
It is anticracking bar-mat reinforcement 10, intermediate batten plate 11, steel tube arch rib 12, arc backplate 13, carrying steel plate 15, monoblock type fixing bracket 16, pre-
Bury steel plate 19, self-compacting high-strength concrete 21, skewback WELDING STUDS 22, hinged open-close type punching block 24 and shearing nail welding locating rack
28；Cushion cap 1 and bearing 2 connect, cushion cap 1 and 12 connecting portion of steel tube arch rib setting pressure-bearing bar-mat reinforcement 3, skewback pressure-bearing steel plate 4 into
Row is reinforced, and bearing 2 is reinforced with 12 connecting portion of steel tube arch rib setting anti-shear steel plate 5；Anticracking reinforcing bar is arranged in steel tube arch rib 12
Net 10 is reinforced, and 12 outside setting of steel tube arch rib is hinged open-close type punching block 24.
The hinged open-close type punching block 24 is arranged hinged shaft 26 and is opened and closed, and connecting pin with holes is arranged in hinged open-close type punching block 24
Plate 8 is simultaneously fixed by comb shape entirety fixing bolt 9；Pre- buried strap silk braid cylinder 6 on bearing 2, band silk braid cylinder 6 connect L-shaped limit
Plate 7 carries out template and fixes；Pre-embedded steel slab 19 is fixed by anchor bar 20 and cushion cap 1；Monoblock type is arranged in 19 top of pre-embedded steel slab
Fixing bracket 16 carries out hinged open-close type punching block 24 and fixes；16 top of monoblock type fixing bracket setting carrying steel plate 15 and arc protective
Plate 13 is fixed with steel tube arch rib 12.
The setting of the shearing nail welding locating rack 28 sizing steel plate 27 and positioning bolt 29 carry out WELDING STUDS welding position
Positioning.
The construction method of the CFST Arch Bridge external wrapping concrete arch springing structure, includes the following steps：
Step 1: monoblock type fixing bracket is set up：Monoblock type fixing bracket 16 is connected by pre-embedded steel slab 19, monoblock type is solid
16 top of fixed rack setting carrying steel plate 15 and arc backplate 13 are fixed with steel tube arch rib 12；
Step 2: steel tube arch rib shears nail welding：It shears nail welding locating rack 28 and sizing steel plate 27 and positioning bolt is set
29 pairs of WELDING STUDS welding positions are positioned and are welded；
Step 3: arch springing reinforcing bar is bound：Arch springing position reinforcing bar is bound, while in outside setting anticracking bar-mat reinforcement 10；
Step 4: arch springing template is installed and is fixed：Hinged open-close type punching block 24 is opened and closed by hinged shaft 26, hinged to open and close
Formula punching block 24 is fixed by connection end plate 8 with holes, comb shape entirety fixing bolt 9；Pre- buried strap silk braid cylinder 6 on bearing 2, band silk
Sleeve 6 connects 7 progress template of L-shaped limiting plate and fixes；19 top of pre-embedded steel slab setting monoblock type fixing bracket 16 is hingedly opened
Enclosed punching block 24 is fixed；
Step 5: arch springing concreting and maintenance：Arch springing concrete is poured, and vibration compacting, is conserved.
Claims (4)
1. a kind of CFST Arch Bridge external wrapping concrete arch springing structure, it is characterised in that including cushion cap (1), bearing (2), pressure-bearing
Bar-mat reinforcement (3), skewback pressure-bearing steel plate (4), anti-shear steel plate (5), band silk braid cylinder (6), L-shaped limiting plate (7), comb shape integrally fix spiral shell
Bolt (9), anticracking bar-mat reinforcement (10), intermediate batten plate (11), steel tube arch rib (12), arc backplate (13), carrying steel plate (15), entirety
Formula fixing bracket (16), pre-embedded steel slab (19), self-compacting high-strength concrete (21), skewback WELDING STUDS (22), hinged open-close type steel
Mould (24) and shearing nail welding locating rack (28)；Cushion cap (1) and bearing (2) connection, cushion cap (1) and steel tube arch rib (12) interconnecting piece
Position setting pressure-bearing bar-mat reinforcement (3), skewback pressure-bearing steel plate (4) are reinforced, and bearing (2) is arranged with steel tube arch rib (12) connecting portion
Anti-shear steel plate (5) is reinforced；Steel tube arch rib (12) setting anticracking bar-mat reinforcement (10) is reinforced, and is set outside steel tube arch rib (12)
Set hinged open-close type punching block (24).
2. CFST Arch Bridge external wrapping concrete arch springing structure according to claim 1, it is characterised in that described hinged
Open-close type punching block (24) setting hinged shaft (26) is opened and closed, and hinged open-close type punching block (24) is arranged connection end plate (8) with holes and leads to
Comb shape entirety fixing bolt (9) is crossed to be fixed；Pre- buried strap silk braid cylinder (6) on bearing (2), band silk braid cylinder (6) connect L-shaped limit
Plate (7) carries out template and fixes；Pre-embedded steel slab (19) is fixed by anchor bar (20) and cushion cap (1)；Pre-embedded steel slab (19) top
It is fixed that setting monoblock type fixing bracket (16) carries out hinged open-close type punching block (24)；The setting of monoblock type fixing bracket (16) top is held
It is fixed with steel tube arch rib (12) to carry steel plate (15) and arc backplate (13).
3. CFST Arch Bridge external wrapping concrete arch springing structure according to claim 1, it is characterised in that the shearing
Nail welding locating rack (28) setting sizing steel plate (27) and positioning bolt (29) position WELDING STUDS welding position.
4. a kind of construction method of CFST Arch Bridge external wrapping concrete arch springing, which is characterized in that include the following steps：
Step 1: monoblock type fixing bracket is set up：Monoblock type fixing bracket (16) is connected by pre-embedded steel slab (19), monoblock type is solid
Fixed rack (16) top setting carrying steel plate (15) and arc backplate (13) and steel tube arch rib (12) are fixed；
Step 2: steel tube arch rib shears nail welding：It shears nail welding locating rack (28) and sizing steel plate (27) and positioning bolt is set
(29) WELDING STUDS welding position is positioned and is welded；
Step 3: arch springing reinforcing bar is bound：Arch springing position reinforcing bar is bound, while in outside setting anticracking bar-mat reinforcement (10)；
Step 4: arch springing template is installed and is fixed：Hinged open-close type punching block (24) is opened and closed by hinged shaft (26), hinged to open and close
Formula punching block (24) is fixed by connection end plate (8) with holes, comb shape entirety fixing bolt (9)；Pre- buried strap silk braid on bearing (2)
Cylinder (6), band silk braid cylinder (6) connect L-shaped limiting plate (7) progress template and fix；Pre-embedded steel slab (19) top setting monoblock type is fixed
It is fixed that holder (16) carries out hinged open-close type punching block (24)；
Step 5: arch springing concreting and maintenance：Arch springing concrete is poured, and vibration compacting, is conserved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810636191.9A CN108611958A (en) | 2018-06-20 | 2018-06-20 | CFST Arch Bridge external wrapping concrete arch springing structure and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810636191.9A CN108611958A (en) | 2018-06-20 | 2018-06-20 | CFST Arch Bridge external wrapping concrete arch springing structure and construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108611958A true CN108611958A (en) | 2018-10-02 |
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ID=63665433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810636191.9A Withdrawn CN108611958A (en) | 2018-06-20 | 2018-06-20 | CFST Arch Bridge external wrapping concrete arch springing structure and construction method |
Country Status (1)
| Country | Link |
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| CN (1) | CN108611958A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109629449A (en) * | 2019-01-29 | 2019-04-16 | 中铁大桥局集团有限公司 | A kind of steel case arch bridge arch springing toughened internal stress installation locating support and alignment method |
| CN109853353A (en) * | 2019-03-20 | 2019-06-07 | 广州市市政工程设计研究总院有限公司 | A kind of spacial special-shaped arch bridge and its construction method |
-
2018
- 2018-06-20 CN CN201810636191.9A patent/CN108611958A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109629449A (en) * | 2019-01-29 | 2019-04-16 | 中铁大桥局集团有限公司 | A kind of steel case arch bridge arch springing toughened internal stress installation locating support and alignment method |
| CN109853353A (en) * | 2019-03-20 | 2019-06-07 | 广州市市政工程设计研究总院有限公司 | A kind of spacial special-shaped arch bridge and its construction method |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20190419 Address after: 710000 Tongli Building, Science and Technology Road, Xi'an High-tech Zone, Shaanxi Province Applicant after: China Road and Bridge Group Xi'an Industrial Development Co.,Ltd. Address before: 310015 room 1901, unit 3, 3 Wanda Commercial Center, Gongshu District, Hangzhou, Zhejiang. Applicant before: HANGZHOU JIANGRUN TECHNOLOGY Ltd. |
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181002 |